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is it okay to run an eheim half closed?

fourmations

Member
Joined
30 Aug 2008
Messages
201
hi all

i have googled this but no avail

i have converted a wet/dry to a regular style eheim
but now the flow is really really strong, plants are sideways!

can i just half close the output permanently
of will this put pressure on the filter in any way

should i slow the intake to offset the slower output

could it cause a leak with more water coming in
than going out

any advice welcome

thanks

4
 

Mark Evans

Expert
Joined
13 Jun 2008
Messages
6,484
Location
newark notts.
i think it's fine, it's one of there selling points. best wait for other confirmation though. i've done it with my 2028
 

Ed Seeley

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Joined
3 Jul 2007
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3,261
Location
Nottingham
It's fine and I've done it in the past on my 2128. I wouldn't close it fully though obviously.

BTW there's no way you can have more water coming in than going out once the filter is full. It is a sealed unit so whatever is pumped out is replaced by water coming in via gravity and syphonic action.
 

ceg4048

Expert/Global Moderator
Staff member
Joined
11 Jul 2007
Messages
9,067
Location
Chicago, USA
Hi,
Personally I'd try to find a way to use that flow. Why waste it? Use larger outputs or multiple outputs to reduce the turbulence.

Cheers,
 

fourmations

Member
Thread starter
Joined
30 Aug 2008
Messages
201
thanks for the advice guys

the filter is a 2327 rated for 350l tank (its on a 100l tank)
1050lph rated power with 550lph actual turnover

it is a good 50-80% more powerful that it was
now with the mods i have done

i may open out the holes on the spraybar considerably
and that should slow the speed of the flow

regards

4
 

Themuleous

Member
Joined
6 Jul 2007
Messages
4,124
Location
Aston, Oxfordshire
fourmations said:
(its on a 100l tank) 1050lph rated power with 550lph actual turnover

1050lph on a 100lt tank sounds perfect!

i may open out the holes on the spraybar considerably
and that should slow the speed of the flow

Good idea, if needs be try pointing the holes at the glass, that will help slow it down a bit too.

Sam
 

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